// CRC.cpp : Defines the entry point for the console application.
//


#include "math.h"

unsigned char mess[8], reply[8];

void main()
{
	unsigned char highbyte,lowbyte;
	unsigned short crc,thisbyte,i,shift,lastbit;

	mess[0]=0x01;
	mess[1]=0x06;
	mess[2]=0x16;
	mess[3]=0x00;
	mess[4]=0x00;
	mess[5]=0x00;

	crc = 0xffff;
	for(i=0; i<=5; i++)
	{
		thisbyte = mess[i];
		crc = crc ^ thisbyte;
		for(shift = 0; shift<8;shift++)
		{
			lastbit = crc & 0x0001;
			crc = (crc >> 1) & 0x7fff;
			if (lastbit ==0x0001)
			{
				crc = crc ^ 0xa001;
			}
		}
	}

	highbyte = (crc >> 8) & 0xff;
	lowbyte = crc & 0xff;
	mess[6] = lowbyte;
	mess[7] = highbyte;

	printf("%x /n", mess[6],mess[7]);
}